<template>
    <div>
        <!--面包屑导航-->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>
        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" @keyup.enter.native="getGoodsList" clearable @clear="getGoodsList">
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddPage">添加商品</el-button>
                </el-col>
            </el-row>

            <el-table :data="goodslist" border stripe>
                <el-table-column type="index"></el-table-column>
                <el-table-column label="商品名称" prop="goods_name"></el-table-column>
                <el-table-column label="商品价格" width="95px" prop="goods_price"></el-table-column>
                <el-table-column label="商品重量" width="95px" prop="goods_weight"></el-table-column>
                <el-table-column label="创建时间" width="140px" prop="add_time">
                    <template v-slot:default="scope">{{ scope.row.add_time | dateFormat }}</template>
                </el-table-column>
                <el-table-column label="操作" width="180px">
                    <template v-slot:default="scope">
                        <input type="hidden" :value="scope" />
                        <el-button type="primary" icon="el-icon-edit" size="mini">编辑</el-button>
                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)">删除</el-button>
                    </template>
                </el-table-column>
            </el-table>
            <!--分页-->
            <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum" :page-sizes="[10, 20, 30, 40]" :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper" :total="total" background>
            </el-pagination>
        </el-card>
    </div>
</template>
<script>
export default {
  data () {
    return {
      // 发起请求的查询数据对象
      queryInfo: {
        pagesize: 10,
        pagenum: 1,
        query: ''
      },
      goodslist: [],
      total: 0
    }
  },
  created () {
    this.getGoodsList()
  },
  methods: {
    // 根据分页获取商品列表
    async getGoodsList () {
      const { data: res } = await this.$http.get('goods',
        {
          params: this.queryInfo
        })
      if (res.meta.status !== 200) {
        this.$message.error(res.meta.msg)
      }
      this.total = res.data.total
      this.$message.success(res.meta.msg)
      this.goodslist = res.data.goods
    },
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    async removeById (goodsId) {
      const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除该商品')
      }
      const { data: res } = await this.$http.delete(`goods/${goodsId}`)
      if (res.meta.status !== 200) {
        this.$message.error(res.meta.msg)
      }
      this.$message.success(res.meta.msg)
      this.getGoodsList()
    },
    goAddPage () {
      this.$router.push('/goods/add')
    }
  }

}
</script>
<style language="less" scoped></style>
